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Joint Link Scheduling and Routing in Two-Tier RF-Energy Harvesting IoT by Muchen Jiang, Kwan Wu Chin et al

Joint Link Scheduling and Routing in Two-Tier RF-Energy Harvesting IoT by Muchen Jiang, Kwan Wu Chin et al
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Time division multiple accessLinear programRadio frequencyTransmission set generationநேரம் பிரிவு பல நுழைவுநேரியல் ப்ரோக்ர்யாம்வானொலி அதிர்வெண்

A Novel Distributed Resource Allocation Scheme for Wireless Powered Co by Tengjiao He, Kwan Wu Chin et al

Abstract This paper considers a novel Internet of Things (IoT) network comprising of sensor devices and Power Beacons (PBs); both types of nodes are equipped with a Cognitive Radio (CR). In addition, these sensor devices are powered by Radio Frequency (RF) signals from PBs. Our aim is to maximize the minimum rate of devices acting as sources. We outline the first Mixed Integer Linear Program (MILP) that jointly optimizes the channel assignment of PBs and devices, beamforming vector of PBs, data routing over multiple hops and link activation schedule of devices. We also design a distributed protocol called Distributed Max-min Rate with Cognitive Radio (D-MRCR) for use by devices and PBs. Devices set their operation mode using local information and use a game theory based approach to iteratively adjust their transmit power. On the other hand, each PB employs a Linear Program (LP) to determine its beamforming vector. Our results show that the max-min rate of D-MRCR is within 51.84% tha

Integer linear programLinear programPower beaconsCognitive radioRadio frequencyMixed integer linear programDistributed max min rateArray signal processingChannel accessCognitive radioIstributed protocolsNternet of thingsWireless chargingWireless sensor networksமுழு நேரியல் ப்ரோக்ர்யாம்நேரியல் ப்ரோக்ர்யாம்

Data Collection in Radio Frequency (RF) Charging Internet of Things Ne by Hang Yu and Kwan Wu Chin

Abstract This paper considers minimizing the time required to collect L bits from each Radio Frequency (RF)-energy harvesting device serviced by a multi-antenna Hybrid Access Point (HAP). We outline a Mixed Integer Non-Linear Program (MINLP) to determine the transmit power allocation of the HAP and devices over multiple time slots. We also outline a Receding Horizon Control (RHC) approach coupled with a Gaussian Mixture Model (GMM) to optimize the transmit power allocation of the HAP. Our results show that the performance of our approach is within 5% of the optimal solution. Open Access Status

Linear programRadio frequencyHybrid access pointMixed integer non linear programReceding horizon controlGaussian mixture modelF chargingWireless power transferநேரியல் ப்ரோக்ர்யாம்வானொலி அதிர்வெண்கலப்பு நுழைவு பாயஂட்கலப்பு முழு அல்லாத நேரியல் ப்ரோக்ர்யாம்

Toccara Castleman | Colorlines

Deputy Editorial Director Toccara Castleman is a writer, actress and editor with 15 years of storytelling experience in a variety of mediums including: theatre, digital media, print journalism and education. She is proudly from the South Side of Chicago. A graduate of the University of Illinois at Urbana-Champaign, Toccara has worked with brands such as NBCUniversal (SYFY Channel and USA Network, 2020 Emmy ® Winner Interactive Extension of a Linear Program, USA Network/Mr. Robot), Time Inc. (People.com) and Uptown Media Group (UPTOWN Magazine). Toccara is committed to having a sense of humor, speaking in the first person (except when she is asked to write a bio about herself) and telling stories where Black people and other marginalized  yet deeply and vastly beautiful  communities are always central to the narrative, nuanced and loved. For more, visit: www.toccaracastleman.com

United statesUniversity of illinoisToccara castlemanTime incUnited states network mrUnited states networkUptown media groupLinear programUniversity of illinois at urbana champaignSouth sideWinner interactive extensionஒன்றுபட்டது மாநிலங்களில்பல்கலைக்கழகம் ஆஃப் இல்லினாய்ஸ்நேரம் இன்க்ஒன்றுபட்டது மாநிலங்களில் வலைப்பின்னல் திருஒன்றுபட்டது மாநிலங்களில் வலைப்பின்னல்